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12-21-2017, 02:18 AM
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#1 |
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Registered User
Join Date: Jan 2012
Location: Honolulu HI
Posts: 36
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EFI Setup
Looking to go EFI on my '72 K20 350 primarily for ease of use, startup, etc. Right now I'm looking at Edelbrock Pro Flo 3 with a Spectre Cold Air Intake. There are two different manifolds to select from the 4150 style which looks closely to the standard manifold with carb, the other is the XT manifold which looks more like a modern manifold, which can ingest a 100 more CFM thant he 4150 style. Is the 100 CFM difference a factor for a daily driver?
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Mike 1972 Chevy K20, 350, Long Bed |
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12-21-2017, 10:41 AM
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#2 |
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Senior Member
 
Join Date: Aug 2004
Location: Centennial, CO
Posts: 2,991
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Re: EFI Setup
Call their tech line and ask them which one is the best match for what you have. I’m betting it will be the lower flow version if you have a stock-ish engine.
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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12-21-2017, 11:14 AM
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#3 |
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Registered User
Join Date: Feb 2011
Location: Under the Truck Dreaming
Posts: 752
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Re: EFI Setup
Good luck on your search. There are a lot of good systems out there. The choice of cams is important but if you have a stock engine and drive normally then the 100 CFM won't matter. I built a 406 with EFI with an "RV" cam that is "all in" by 5000 RPM, but I'm not drag racing to 7000 RPM, I'm looking for performance that can pull a 10k lb trailer over the Eisenhower Tunnel at 11,000 feet.
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72 K20 Custom Camper, D60, 14BFF, full roller 406 TPI w custom built ECU and yes..it has tow hooks...and a 5 speed |
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12-21-2017, 12:07 PM
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#4 |
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Registered User
Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,177
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Re: EFI Setup
Fast EFI is good as well as Holley and Edelbrock, just about any of the current (or recent within 10 years) systems will be great for your truck.
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"Work hard, use your vacation days." 1970 C15 GMC Long Bed 1986 C20 Scottsdale 1983 K2500 Sierra Classic Suburban 6.2 Instagram: C10sofOC |
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